Component({
  properties: {
    imageUrl: {
      type: String,
      value: '../../images/t-shirt.jpeg'
    },
    title: {
      type: String,
      value: '寸衫 T-Shirt'
    },
    cost: {
      type: Number,
      value: 39
    },
    price: {
      type: Number,
      value: 99
    },
    sellCount: {
      type: Number,
      value: undefined
    }
  }
})